Home / 1,990,566,401,088.60-2,985,984,442,176.10-699,620,706,487.45

Finding the Fourth Proportional to 1,990,566,401,088.60, 2,985,984,442,176.10 and 699,620,706,487.45

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Solution

The fourth proportional to 1,990,566,401,088.60, 2,985,984,442,176.10 and 699,620,706,487.45 is: 1,049,478,451,888.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,990,566,401,088.60 : 2,985,984,442,176.10 = 699,620,706,487.45 : x
  2. Step 2: Convert to fraction form
    1,990,566,401,088.60/2,985,984,442,176.10 = 699,620,706,487.45/x
  3. Step 3: Cross multiply
    1,990,566,401,088.60x = 2,985,984,442,176.10 × 699,620,706,487.45
  4. Step 4: Simplify right side
    1,990,566,401,088.60x = 2,089,056,544,995,777,240,367,104
  5. Step 5: Solve for x
    x = 2,089,056,544,995,777,240,367,104/1,990,566,401,088.60
  6. Step 6: Final answer
    x = 1,049,478,451,888.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.